<template>
  <el-row>
    <el-col span="24">
      <el-table size="mini" :data="master_user.data" border style="width: 100%" highlight-current-row>
        <el-table-column type="index"></el-table-column>
        <el-table-column v-for="(v,i) in master_user.columns" :prop="v.field" :label="v.title" :width="v.width">
          <template slot-scope="scope">
                            <span v-if="scope.row.isSet">
                                <el-input size="mini" placeholder="请输入内容" v-model="master_user.sel[v.field]">
                                </el-input>
                            </span>
            <span v-else>{{scope.row[v.field]}}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="100">
          <template slot-scope="scope">
                            <span class="el-tag el-tag--info el-tag--mini" style="cursor: pointer;" @click="pwdChange(scope.row,scope.$index,true)">
                                {{scope.row.isSet?'保存':"修改"}}
                            </span>
            <span v-if="!scope.row.isSet" class="el-tag el-tag--danger el-tag--mini" style="cursor: pointer;">
                                删除
                            </span>
            <span v-else class="el-tag  el-tag--mini" style="cursor: pointer;" @click="pwdChange(scope.row,scope.$index,false)">
                                取消
                            </span>
          </template>
        </el-table-column>
      </el-table>
    </el-col>
    <el-col span="24">
      <div class="el-table-add-row" style="width: 99.2%;" @click="addMasterUser()"><span>+ 添加</span></div>
    </el-col>
  </el-row>
</template>
<!-- import Vue before Element -->
<script src="https://unpkg.com/vue@2.5.17/dist/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
//id生成工具 这个不用看 示例而已 模拟后台返回的id
var generateId = {
  _count: 1,
  get(){return ((+new Date()) + "_" + (this._count++))}
};
//主要内容
var app = new Vue({
  el: "#app",
  data: {
    master_user: {
      sel: null,//选中行
      columns: [
        { field: "type", title: "远程类型", width: 120 },
        { field: "addport", title: "连接地址", width: 150 },
        { field: "user", title: "登录用户", width: 120 },
        { field: "pwd", title: "登录密码", width: 220 },
        { field: "info", title: "其他信息" }
      ],
      data: [],
    },
  },
  methods: {
    //读取表格数据
    readMasterUser() {
      //根据实际情况，自己改下啊
      app.master_user.data.map(i => {
        i.id = generateId.get();//模拟后台插入成功后有了id
        i.isSet=false;//给后台返回数据添加`isSet`标识
        return i;
      });
    },
    //添加账号
    addMasterUser() {
      for (let i of app.master_user.data) {
        if (i.isSet) return app.$message.warning("请先保存当前编辑项");
      }
      let j = { id: 0, "type": "", "addport": "", "user": "", "pwd": "", "info": "", "isSet": true, "_temporary": true };
      app.master_user.data.push(j);
      app.master_user.sel = JSON.parse(JSON.stringify(j));
    },
    //修改
    pwdChange(row, index, cg) {
      //点击修改 判断是否已经保存所有操作
      for (let i of app.master_user.data) {
        if (i.isSet && i.id != row.id) {
          app.$message.warning("请先保存当前编辑项");
          return false;
        }
      }
      //是否是取消操作
      if (!cg) {
        if (!app.master_user.sel.id) app.master_user.data.splice(index, 1);
        return row.isSet = !row.isSet;
      }
      //提交数据
      if (row.isSet) {
        //项目是模拟请求操作  自己修改下
        (function () {
          let data = JSON.parse(JSON.stringify(app.master_user.sel));
          for (let k in data) row[k] = data[k];
          app.$message({
            type: 'success',
            message: "保存成功!"
          });
          //然后这边重新读取表格数据
          app.readMasterUser();
          row.isSet = false;
        })();
      } else {
        app.master_user.sel = JSON.parse(JSON.stringify(row));
        row.isSet = true;
      }
    }
  }
});
</script>

<style>
.el-table-add-row {
  margin-top: 10px;
  width: 100%;
  height: 34px;
  border: 1px dashed #c1c1cd;
  border-radius: 3px;
  cursor: pointer;
  justify-content: center;
  display: flex;
  line-height: 34px;
}</style>
